Pump Up Your Knowledge of the Heart

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Questions and Answers

What are the three layers of the heart?

The three layers of the heart are epicardium, myocardium, and endocardium.

What are the three layers of the heart?

The three layers of the heart are epicardium, myocardium, and endocardium.

What are the four chambers of the heart?

The four chambers of the heart are the right atrium, right ventricle, left atrium, and left ventricle.

What are the four chambers of the heart?

The four chambers of the heart are right atrium, right ventricle, left atrium, and left ventricle. Signup and view all the answers

What are the four valves of the heart?

The four valves of the heart are the right and left AV valves, and the right and left semilunar valves. Signup and view all the answers

What are the four valves of the heart?

The four valves of the heart are right and left AV valves, right and left semilunar valves. Signup and view all the answers

What is the function of the septa in the heart?

The septa separate the atria and ventricles in the heart. Signup and view all the answers

What is the function of the septa in the heart?

The septa separate the atria and ventricles. Signup and view all the answers

What is the cardiac cycle?

The cardiac cycle involves systole and diastole. Signup and view all the answers

What is the cardiac cycle?

The cardiac cycle involves systole and diastole. Signup and view all the answers

What initiates the electrical conduction system in the heart?

The SA node initiates the electrical conduction system in the heart. Signup and view all the answers

What initiates the electrical conduction system in the heart?

The SA node initiates the electrical conduction system in the heart. Signup and view all the answers

What are some heart-related conditions?

Heart-related conditions include angina pectoris, aortic stenosis, bacterial endocarditis, congestive heart failure, myocardial infarction, and pericarditis. Signup and view all the answers

What are some heart-related conditions?

Heart-related conditions include angina pectoris, aortic stenosis, bacterial endocarditis, congestive heart failure, myocardial infarction, and pericarditis. Signup and view all the answers

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Study Notes

The heart is a four-chambered, hollow muscular organ surrounded by the pericardium.
It is roughly the size and shape of a closed fist and located posterior to the sternum.
The heart has three layers: epicardium, myocardium, and endocardium.
There are four chambers: right atrium, right ventricle, left atrium, and left ventricle.
The heart has four valves: right and left AV valves, right and left semilunar valves.
The septa separate the atria and ventricles.
The heart has its own blood supply through coronary circulation.
The cardiac cycle involves systole and diastole.
The electrical conduction system is initiated by the SA node.
Heart-related conditions include angina pectoris, aortic stenosis, bacterial endocarditis, congestive heart failure, myocardial infarction, and pericarditis.